An item specifically designed to test and/or monitor an electrical circuit and indicate its operating condition by means of a display, such as lamps or light emitting diodes. Examples of conditions being indicated are power on, no power, reversed polarity, open ground, open neutral, alternating current and/or direct current. It may or may not be used to indicate definite power line voltage ratings, such as 110, 220 and 440 volts. It is designed to be inserted in the circuit being tested. For items designed to indicate with out physical contact with the object being tested, see indicator, electrical potential. See also light, test, and voltmeter.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6145-00-170-7947
NSN 6320-01-006-6138
NSN 5920-01-350-3163
NSN 6110-01-633-9660
NSN 5945-01-550-2800
NSN 6610-01-100-3662
NSN 5996-01-315-5682
NSN 6610-00-946-6146
NSN 6145-01-414-9681
NSN 6650-00-527-7451
NSN 5950-00-148-4228
NSN 5935-01-541-1767